Mark Lilla, a Columbia University Professor, shares insights from his book "The Once and Future Liberal: After Identity Politics" during the National Library of Israel's Global Forum, discussing the failures of progressive politics and proposing steps for the liberal left to reinvent itself.

Mark Lilla, a Columbia University Professor, shares insights from his book "The Once and Future Liberal: After Identity Politics" at the Global Forum of the National Library of Israel, discussing past failures of progressive politics and suggesting ways the liberal left can reinvent itself.